23402323035540 has 60 divisors (see below), whose sum is σ = 73413954120276. Its totient is φ = 6240619475712.

The previous prime is 23402323035521. The next prime is 23402323035583. The reversal of 23402323035540 is 4553032320432.

It is a happy number.

23402323035540 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 232 + 30 + 355 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18715002775056 + 4687320260484 = 4326084^2 + 2165022^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×23402323035540² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23402323035495 and 23402323035504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7222937589 + ... + 7222940828.

Almost surely, 2^{23402323035540} is an apocalyptic number.

23402323035540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402323035540 is an abundant number, since it is smaller than the sum of its proper divisors (50011631084736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23402323035540 is a wasteful number, since it uses less digits than its factorization.

23402323035540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14445878438 (or 14445878427 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 23402323035540 its reverse (4553032320432), we get a palindrome (27955355355972).

The spelling of 23402323035540 in words is "twenty-three trillion, four hundred two billion, three hundred twenty-three million, thirty-five thousand, five hundred forty".