23016458859438 has 32 divisors (see below), whose sum is σ = 50232914179200. Its totient is φ = 6972575369760.

The previous prime is 23016458859377. The next prime is 23016458859439. The reversal of 23016458859438 is 83495885461032.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016458859439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52508413 + ... + 52944936.

It is an arithmetic number, because the mean of its divisors is an integer number (1569778568100).

Almost surely, 2^{23016458859438} is an apocalyptic number.

23016458859438 is an abundant number, since it is smaller than the sum of its proper divisors (27216455319762).

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

23016458859438 is a wasteful number, since it uses less digits than its factorization.

23016458859438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105456672.

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 23016458859438 in words is "twenty-three trillion, sixteen billion, four hundred fifty-eight million, eight hundred fifty-nine thousand, four hundred thirty-eight".