15226623243 has 48 divisors (see below), whose sum is σ = 24653204576. Its totient is φ = 9335865600.

The previous prime is 15226623241. The next prime is 15226623301. The reversal of 15226623243 is 34232662251.

15226623243 is a `hidden beast` number, since 1 + 5 + 2 + 2 + 6 + 623 + 24 + 3 = 666.

It is not a de Polignac number, because 15226623243 - 2¹ = 15226623241 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15226623198 and 15226623207.

It is not an unprimeable number, because it can be changed into a prime (15226623241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 866343 + ... + 883743.

Almost surely, 2^15226623243 is an apocalyptic number.

15226623243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15226623243 is a deficient number, since it is larger than the sum of its proper divisors (9426581333).

15226623243 is a wasteful number, since it uses less digits than its factorization.

15226623243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706 (or 17694 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The spelling of 15226623243 in words is "fifteen billion, two hundred twenty-six million, six hundred twenty-three thousand, two hundred forty-three".