234402140030 has 32 divisors (see below), whose sum is σ = 423321746400. Its totient is φ = 93450448000.

The previous prime is 234402140017. The next prime is 234402140053. The reversal of 234402140030 is 30041204432.

It is a junction number, because it is equal to n+sod(n) for n = 234402139978 and 234402140005.

It is a congruent number.

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, 8831780 + ... + 8858280.

It is an arithmetic number, because the mean of its divisors is an integer number (13228804575).

Almost surely, 2^234402140030 is an apocalyptic number.

234402140030 is a deficient number, since it is larger than the sum of its proper divisors (188919606370).

234402140030 is a wasteful number, since it uses less digits than its factorization.

234402140030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29404.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 234402140030 its reverse (30041204432), we get a palindrome (264443344462).

The spelling of 234402140030 in words is "two hundred thirty-four billion, four hundred two million, one hundred forty thousand, thirty".