23015147998 has 8 divisors (see below), whose sum is σ = 34524289440. Its totient is φ = 11507051520.

The previous prime is 23015147989. The next prime is 23015148011. The reversal of 23015147998 is 89974151032.

It is a happy number.

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

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, 203638 + ... + 295801.

It is an arithmetic number, because the mean of its divisors is an integer number (4315536180).

Almost surely, 2^23015147998 is an apocalyptic number.

23015147998 is a deficient number, since it is larger than the sum of its proper divisors (11509141442).

23015147998 is a wasteful number, since it uses less digits than its factorization.

23015147998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522482.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 23015147998 in words is "twenty-three billion, fifteen million, one hundred forty-seven thousand, nine hundred ninety-eight".