23011543090 has 16 divisors (see below), whose sum is σ = 41437818072. Its totient is φ = 9200830464.

The previous prime is 23011543067. The next prime is 23011543097. The reversal of 23011543090 is 9034511032.

It can be written as a sum of positive squares in 4 ways, for example, as 22951341009 + 60202081 = 151497^2 + 7759^2 .

It is a super-2 number, since 2×23011543090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23011543097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447759 + ... + 496498.

Almost surely, 2^23011543090 is an apocalyptic number.

23011543090 is a deficient number, since it is larger than the sum of its proper divisors (18426274982).

23011543090 is a wasteful number, since it uses less digits than its factorization.

23011543090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946701.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 23011543090 in words is "twenty-three billion, eleven million, five hundred forty-three thousand, ninety".