15480623 has 4 divisors (see below), whose sum is σ = 15498528. Its totient is φ = 15462720.

The previous prime is 15480617. The next prime is 15480631. The reversal of 15480623 is 32608451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32608451 = 557 ⋅58543.

It is a cyclic number.

It is not a de Polignac number, because 15480623 - 2¹⁰ = 15479599 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 (15480643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7586 + ... + 9407.

It is an arithmetic number, because the mean of its divisors is an integer number (3874632).

Almost surely, 2^15480623 is an apocalyptic number.

15480623 is a deficient number, since it is larger than the sum of its proper divisors (17905).

15480623 is an equidigital number, since it uses as much as digits as its factorization.

15480623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17904.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 15480623 is about 3934.5422859591. The cubic root of 15480623 is about 249.2276054174.

The spelling of 15480623 in words is "fifteen million, four hundred eighty thousand, six hundred twenty-three".