23130020146 has 8 divisors (see below), whose sum is σ = 34723636524. Its totient is φ = 11555474640.

The previous prime is 23130020119. The next prime is 23130020167. The reversal of 23130020146 is 64102003132.

It can be written as a sum of positive squares in 2 ways, for example, as 21411005625 + 1719014521 = 146325^2 + 41461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23130020146² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4764685 + ... + 4769536.

Almost surely, 2^23130020146 is an apocalyptic number.

23130020146 is a deficient number, since it is larger than the sum of its proper divisors (11593616378).

23130020146 is a wasteful number, since it uses less digits than its factorization.

23130020146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535436.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23130020146 its reverse (64102003132), we get a palindrome (87232023278).

The spelling of 23130020146 in words is "twenty-three billion, one hundred thirty million, twenty thousand, one hundred forty-six".