21141323034 has 48 divisors (see below), whose sum is σ = 47776070592. Its totient is φ = 6222188544.

The previous prime is 21141323017. The next prime is 21141323101. The reversal of 21141323034 is 43032314112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21141322995 and 21141323013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429927 + ... + 476570.

It is an arithmetic number, because the mean of its divisors is an integer number (995334804).

Almost surely, 2^21141323034 is an apocalyptic number.

21141323034 is an abundant number, since it is smaller than the sum of its proper divisors (26634747558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21141323034 is a wasteful number, since it uses less digits than its factorization.

21141323034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906551 (or 906538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21141323034 its reverse (43032314112), we get a palindrome (64173637146).

The spelling of 21141323034 in words is "twenty-one billion, one hundred forty-one million, three hundred twenty-three thousand, thirty-four".