23352140478 has 16 divisors (see below), whose sum is σ = 46719340560. Its totient is φ = 7781536896.

The previous prime is 23352140459. The next prime is 23352140479. The reversal of 23352140478 is 87404125332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23352140479) 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, 607275 + ... + 644582.

It is an arithmetic number, because the mean of its divisors is an integer number (2919958785).

Almost surely, 2^23352140478 is an apocalyptic number.

23352140478 is an abundant number, since it is smaller than the sum of its proper divisors (23367200082).

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

23352140478 is a wasteful number, since it uses less digits than its factorization.

23352140478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254971.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 23352140478 in words is "twenty-three billion, three hundred fifty-two million, one hundred forty thousand, four hundred seventy-eight".