23001455 has 4 divisors (see below), whose sum is σ = 27601752. Its totient is φ = 18401160.

The previous prime is 23001439. The next prime is 23001467. The reversal of 23001455 is 55410032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23001455 - 2⁴ = 23001439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300141 + ... + 2300150.

It is an arithmetic number, because the mean of its divisors is an integer number (6900438).

Almost surely, 2^23001455 is an apocalyptic number.

23001455 is a deficient number, since it is larger than the sum of its proper divisors (4600297).

23001455 is an equidigital number, since it uses as much as digits as its factorization.

23001455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600296.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23001455 is about 4795.9832151499. The cubic root of 23001455 is about 284.3926947086.

Adding to 23001455 its reverse (55410032), we get a palindrome (78411487).

The spelling of 23001455 in words is "twenty-three million, one thousand, four hundred fifty-five".