21323011094 has 32 divisors (see below), whose sum is σ = 40140928512. Its totient is φ = 8252640000.

The previous prime is 21323011091. The next prime is 21323011103. The reversal of 21323011094 is 49011032312.

It is a super-2 number, since 2×21323011094² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323011091) 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, 435227 + ... + 481734.

It is an arithmetic number, because the mean of its divisors is an integer number (1254404016).

Almost surely, 2^21323011094 is an apocalyptic number.

21323011094 is a deficient number, since it is larger than the sum of its proper divisors (18817917418).

21323011094 is a wasteful number, since it uses less digits than its factorization.

21323011094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917132.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21323011094 in words is "twenty-one billion, three hundred twenty-three million, eleven thousand, ninety-four".