23151433278 has 8 divisors (see below), whose sum is σ = 46302866568. Its totient is φ = 7717144424.

The previous prime is 23151433241. The next prime is 23151433297. The reversal of 23151433278 is 87233415132.

It is a sphenic number, since it is the product of 3 distinct primes.

23151433278 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929286101 + ... + 1929286112.

It is an arithmetic number, because the mean of its divisors is an integer number (5787858321).

Almost surely, 2^23151433278 is an apocalyptic number.

23151433278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23151433278 is a wasteful number, since it uses less digits than its factorization.

23151433278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858572218.

The product of its digits is 120960, while the sum is 39.

The spelling of 23151433278 in words is "twenty-three billion, one hundred fifty-one million, four hundred thirty-three thousand, two hundred seventy-eight".