10421995623 has 8 divisors (see below), whose sum is σ = 14964916848. Its totient is φ = 6413535744.

The previous prime is 10421995601. The next prime is 10421995687. The reversal of 10421995623 is 32659912401.

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

It is not a de Polignac number, because 10421995623 - 2¹⁸ = 10421733479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421995693) 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, 133615290 + ... + 133615367.

It is an arithmetic number, because the mean of its divisors is an integer number (1870614606).

Almost surely, 2^10421995623 is an apocalyptic number.

10421995623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10421995623 is a deficient number, since it is larger than the sum of its proper divisors (4542921225).

10421995623 is a wasteful number, since it uses less digits than its factorization.

10421995623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267230673.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 10421995623 in words is "ten billion, four hundred twenty-one million, nine hundred ninety-five thousand, six hundred twenty-three".