23214515151 has 4 divisors (see below), whose sum is σ = 30952686872. Its totient is φ = 15476343432.

The previous prime is 23214515143. The next prime is 23214515171. The reversal of 23214515151 is 15151541232.

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

It is not a de Polignac number, because 23214515151 - 2³ = 23214515143 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 (23214515101) 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, 3869085856 + ... + 3869085861.

It is an arithmetic number, because the mean of its divisors is an integer number (7738171718).

Almost surely, 2^23214515151 is an apocalyptic number.

23214515151 is a deficient number, since it is larger than the sum of its proper divisors (7738171721).

23214515151 is an equidigital number, since it uses as much as digits as its factorization.

23214515151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738171720.

The product of its digits is 6000, while the sum is 30.

The spelling of 23214515151 in words is "twenty-three billion, two hundred fourteen million, five hundred fifteen thousand, one hundred fifty-one".