23142302040 has 128 divisors (see below), whose sum is σ = 81564537600. Its totient is φ = 5178693120.

The previous prime is 23142302033. The next prime is 23142302059. The reversal of 23142302040 is 4020324132.

It is a super-2 number, since 2×23142302040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23142301998 and 23142302016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657150 + ... + 691469.

It is an arithmetic number, because the mean of its divisors is an integer number (637222950).

Almost surely, 2^23142302040 is an apocalyptic number.

23142302040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23142302040 is an abundant number, since it is smaller than the sum of its proper divisors (58422235560).

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

23142302040 is a wasteful number, since it uses less digits than its factorization.

23142302040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348657 (or 1348653 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23142302040 its reverse (4020324132), we get a palindrome (27162626172).

The spelling of 23142302040 in words is "twenty-three billion, one hundred forty-two million, three hundred two thousand, forty".