15030023 has 12 divisors (see below), whose sum is σ = 16128552. Its totient is φ = 14002560.

The previous prime is 15030019. The next prime is 15030049. The reversal of 15030023 is 32003051.

It is not a de Polignac number, because 15030023 - 2² = 15030019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37661 + ... + 38057.

It is an arithmetic number, because the mean of its divisors is an integer number (1344046).

Almost surely, 2^15030023 is an apocalyptic number.

15030023 is a deficient number, since it is larger than the sum of its proper divisors (1098529).

15030023 is a wasteful number, since it uses less digits than its factorization.

15030023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 15030023 is about 3876.8573613173. The cubic root of 15030023 is about 246.7856379665.

Adding to 15030023 its reverse (32003051), we get a palindrome (47033074).

The spelling of 15030023 in words is "fifteen million, thirty thousand, twenty-three".