23698923981 has 8 divisors (see below), whose sum is σ = 32333415840. Its totient is φ = 15431857392.

The previous prime is 23698923973. The next prime is 23698924013. The reversal of 23698923981 is 18932989632.

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

It is not a de Polignac number, because 23698923981 - 2³ = 23698923973 is a prime.

It is a super-2 number, since 2×23698923981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23698923581) 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, 91856166 + ... + 91856423.

It is an arithmetic number, because the mean of its divisors is an integer number (4041676980).

Almost surely, 2^23698923981 is an apocalyptic number.

It is an amenable number.

23698923981 is a deficient number, since it is larger than the sum of its proper divisors (8634491859).

23698923981 is a wasteful number, since it uses less digits than its factorization.

23698923981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183712635.

The product of its digits is 10077696, while the sum is 60.

The spelling of 23698923981 in words is "twenty-three billion, six hundred ninety-eight million, nine hundred twenty-three thousand, nine hundred eighty-one".