15434623 has 6 divisors (see below), whose sum is σ = 16396256. Its totient is φ = 14526432.

The previous prime is 15434611. The next prime is 15434651. The reversal of 15434623 is 32643451.

It is not a de Polignac number, because 15434623 - 2¹³ = 15426431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15434591 and 15434600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26415 + ... + 26992.

Almost surely, 2^15434623 is an apocalyptic number.

15434623 is a deficient number, since it is larger than the sum of its proper divisors (961633).

15434623 is an equidigital number, since it uses as much as digits as its factorization.

15434623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441 (or 53424 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 15434623 is about 3928.6922760634. The cubic root of 15434623 is about 248.9805041644.

The spelling of 15434623 in words is "fifteen million, four hundred thirty-four thousand, six hundred twenty-three".