30400123430 has 8 divisors (see below), whose sum is σ = 54720222192. Its totient is φ = 12160049368.

The previous prime is 30400123381. The next prime is 30400123447. The reversal of 30400123430 is 3432100403.

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

It is a Curzon number.

It is a congruent number.

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, 1520006162 + ... + 1520006181.

It is an arithmetic number, because the mean of its divisors is an integer number (6840027774).

Almost surely, 2^30400123430 is an apocalyptic number.

30400123430 is a deficient number, since it is larger than the sum of its proper divisors (24320098762).

30400123430 is a wasteful number, since it uses less digits than its factorization.

30400123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040012350.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30400123430 its reverse (3432100403), we get a palindrome (33832223833).

The spelling of 30400123430 in words is "thirty billion, four hundred million, one hundred twenty-three thousand, four hundred thirty".