15480423 has 24 divisors (see below), whose sum is σ = 26680560. Its totient is φ = 8845200.

The previous prime is 15480407. The next prime is 15480431. The reversal of 15480423 is 32408451.

It is not a de Polignac number, because 15480423 - 2⁴ = 15480407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15480433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4528 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (1111690).

Almost surely, 2^15480423 is an apocalyptic number.

15480423 is a deficient number, since it is larger than the sum of its proper divisors (11200137).

15480423 is a wasteful number, since it uses less digits than its factorization.

15480423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724 (or 11711 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 15480423 is about 3934.5168699600. The cubic root of 15480423 is about 249.2265321243.

Adding to 15480423 its reverse (32408451), we get a palindrome (47888874).

The spelling of 15480423 in words is "fifteen million, four hundred eighty thousand, four hundred twenty-three".