23011551051 has 16 divisors (see below), whose sum is σ = 31505061120. Its totient is φ = 14934587040.

The previous prime is 23011550993. The next prime is 23011551089. The reversal of 23011551051 is 15015511032.

It is not a de Polignac number, because 23011551051 - 2¹⁰ = 23011550027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23011551091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612880 + ... + 649341.

It is an arithmetic number, because the mean of its divisors is an integer number (1969066320).

Almost surely, 2^23011551051 is an apocalyptic number.

23011551051 is a deficient number, since it is larger than the sum of its proper divisors (8493510069).

23011551051 is a wasteful number, since it uses less digits than its factorization.

23011551051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262386.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 23011551051 in words is "twenty-three billion, eleven million, five hundred fifty-one thousand, fifty-one".