15130023 has 16 divisors (see below), whose sum is σ = 21732480. Its totient is φ = 9332064.

The previous prime is 15130009. The next prime is 15130039. The reversal of 15130023 is 32003151.

It is a happy number.

It is not a de Polignac number, because 15130023 - 2⁵ = 15129991 is a prime.

It is a super-3 number, since 3×15130023³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15129984 and 15130011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15130043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^15130023 is an apocalyptic number.

15130023 is a deficient number, since it is larger than the sum of its proper divisors (6602457).

15130023 is a wasteful number, since it uses less digits than its factorization.

15130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 15130023 is about 3889.7330242576. The cubic root of 15130023 is about 247.3317456583.

Adding to 15130023 its reverse (32003151), we get a palindrome (47133174).

The spelling of 15130023 in words is "fifteen million, one hundred thirty thousand, twenty-three".