15955423 has 12 divisors (see below), whose sum is σ = 18146520. Its totient is φ = 14001680.

The previous prime is 15955411. The next prime is 15955441. The reversal of 15955423 is 32455951.

It is not a de Polignac number, because 15955423 - 2¹³ = 15947231 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 (15955403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1236 + ... + 5782.

It is an arithmetic number, because the mean of its divisors is an integer number (1512210).

Almost surely, 2^15955423 is an apocalyptic number.

15955423 is a deficient number, since it is larger than the sum of its proper divisors (2191097).

15955423 is a wasteful number, since it uses less digits than its factorization.

15955423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4587 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 15955423 is about 3994.4239885120. The cubic root of 15955423 is about 251.7499777295.

The spelling of 15955423 in words is "fifteen million, nine hundred fifty-five thousand, four hundred twenty-three".