23649129371 has 16 divisors (see below), whose sum is σ = 27905568768. Its totient is φ = 19612476000.

The previous prime is 23649129367. The next prime is 23649129373. The reversal of 23649129371 is 17392194632.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23649129371 - 2² = 23649129367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23649129373) 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, 1314986 + ... + 1332848.

It is an arithmetic number, because the mean of its divisors is an integer number (1744098048).

Almost surely, 2^23649129371 is an apocalyptic number.

23649129371 is a deficient number, since it is larger than the sum of its proper divisors (4256439397).

23649129371 is a wasteful number, since it uses less digits than its factorization.

23649129371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24002.

The product of its digits is 489888, while the sum is 47.

The spelling of 23649129371 in words is "twenty-three billion, six hundred forty-nine million, one hundred twenty-nine thousand, three hundred seventy-one".