9923915229 has 8 divisors (see below), whose sum is σ = 13232775072. Its totient is φ = 6615499440.

The previous prime is 9923915201. The next prime is 9923915237. The reversal of 9923915229 is 9225193299.

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

It is a de Polignac number, because none of the positive numbers 2^k-9923915229 is a prime.

It is a super-4 number, since 4×9923915229⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923915929) 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, 54799 + ... + 151164.

It is an arithmetic number, because the mean of its divisors is an integer number (1654096884).

Almost surely, 2^9923915229 is an apocalyptic number.

It is an amenable number.

9923915229 is a deficient number, since it is larger than the sum of its proper divisors (3308859843).

9923915229 is a wasteful number, since it uses less digits than its factorization.

9923915229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222027.

The product of its digits is 787320, while the sum is 51.

The square root of 9923915229 is about 99618.8497675013. The cubic root of 9923915229 is about 2148.9567846123.

The spelling of 9923915229 in words is "nine billion, nine hundred twenty-three million, nine hundred fifteen thousand, two hundred twenty-nine".