23153445340 has 24 divisors (see below), whose sum is σ = 48752605440. Its totient is φ = 9236545728.

The previous prime is 23153445317. The next prime is 23153445347. The reversal of 23153445340 is 4354435132.

It is a happy number.

It is a super-2 number, since 2×23153445340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23153445296 and 23153445305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153445347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544380 + ... + 1559299.

It is an arithmetic number, because the mean of its divisors is an integer number (2031358560).

Almost surely, 2^23153445340 is an apocalyptic number.

23153445340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23153445340 is an abundant number, since it is smaller than the sum of its proper divisors (25599160100).

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

23153445340 is a wasteful number, since it uses less digits than its factorization.

23153445340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104061 (or 3104059 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 23153445340 in words is "twenty-three billion, one hundred fifty-three million, four hundred forty-five thousand, three hundred forty".