23423786154 has 24 divisors (see below), whose sum is σ = 50784488352. Its totient is φ = 7802859240.

The previous prime is 23423786129. The next prime is 23423786161. The reversal of 23423786154 is 45168732432.

23423786154 is a `hidden beast` number, since 2 + 3 + 4 + 23 + 7 + 8 + 615 + 4 = 666.

It is a super-2 number, since 2×23423786154² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393912 + ... + 449459.

It is an arithmetic number, because the mean of its divisors is an integer number (2116020348).

Almost surely, 2^23423786154 is an apocalyptic number.

23423786154 is an abundant number, since it is smaller than the sum of its proper divisors (27360702198).

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

23423786154 is a wasteful number, since it uses less digits than its factorization.

23423786154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844922 (or 844919 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 23423786154 in words is "twenty-three billion, four hundred twenty-three million, seven hundred eighty-six thousand, one hundred fifty-four".