25723093930 has 8 divisors (see below), whose sum is σ = 46301569092. Its totient is φ = 10289237568.

The previous prime is 25723093871. The next prime is 25723093939. The reversal of 25723093930 is 3939032752.

It can be written as a sum of positive squares in 2 ways, for example, as 25632330201 + 90763729 = 160101^2 + 9527^2 .

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

It is a super-2 number, since 2×25723093930² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25723093939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286154687 + ... + 1286154706.

Almost surely, 2^25723093930 is an apocalyptic number.

25723093930 is a deficient number, since it is larger than the sum of its proper divisors (20578475162).

25723093930 is a wasteful number, since it uses less digits than its factorization.

25723093930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572309400.

The product of its (nonzero) digits is 306180, while the sum is 43.

The spelling of 25723093930 in words is "twenty-five billion, seven hundred twenty-three million, ninety-three thousand, nine hundred thirty".