23146025740 has 48 divisors (see below), whose sum is σ = 49643969760. Its totient is φ = 9062876160.

The previous prime is 23146025729. The next prime is 23146025813. The reversal of 23146025740 is 4752064132.

It is a junction number, because it is equal to n+sod(n) for n = 23146025696 and 23146025705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116980 + ... + 244900.

It is an arithmetic number, because the mean of its divisors is an integer number (1034249370).

Almost surely, 2^23146025740 is an apocalyptic number.

23146025740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23146025740 is an abundant number, since it is smaller than the sum of its proper divisors (26497944020).

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

23146025740 is a wasteful number, since it uses less digits than its factorization.

23146025740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128122 (or 128120 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 23146025740 its reverse (4752064132), we get a palindrome (27898089872).

The spelling of 23146025740 in words is "twenty-three billion, one hundred forty-six million, twenty-five thousand, seven hundred forty".