23196555 has 24 divisors (see below), whose sum is σ = 40400880. Its totient is φ = 12312000.

The previous prime is 23196541. The next prime is 23196559. The reversal of 23196555 is 55569132.

It is not a de Polignac number, because 23196555 - 2¹⁵ = 23163787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23196559) 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, 9180 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (1683370).

Almost surely, 2^23196555 is an apocalyptic number.

23196555 is a deficient number, since it is larger than the sum of its proper divisors (17204325).

23196555 is a wasteful number, since it uses less digits than its factorization.

23196555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2488 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 23196555 is about 4816.2802036426. The cubic root of 23196555 is about 285.1945117221.

The spelling of 23196555 in words is "twenty-three million, one hundred ninety-six thousand, five hundred fifty-five".