23418156378 has 16 divisors (see below), whose sum is σ = 46843138080. Its totient is φ = 7804914576.

The previous prime is 23418156347. The next prime is 23418156379. The reversal of 23418156378 is 87365181432.

It is not an unprimeable number, because it can be changed into a prime (23418156379) 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, 239233 + ... + 322596.

It is an arithmetic number, because the mean of its divisors is an integer number (2927696130).

Almost surely, 2^23418156378 is an apocalyptic number.

23418156378 is an abundant number, since it is smaller than the sum of its proper divisors (23424981702).

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

23418156378 is a wasteful number, since it uses less digits than its factorization.

23418156378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568781.

The product of its digits is 967680, while the sum is 48.

The spelling of 23418156378 in words is "twenty-three billion, four hundred eighteen million, one hundred fifty-six thousand, three hundred seventy-eight".