30723046998 has 32 divisors (see below), whose sum is σ = 70231463424. Its totient is φ = 8777093952.

The previous prime is 30723046993. The next prime is 30723047009. The reversal of 30723046998 is 89964032703.

It is a self number, because there is not a number n which added to its sum of digits gives 30723046998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30723046993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436711 + ... + 502157.

It is an arithmetic number, because the mean of its divisors is an integer number (2194733232).

Almost surely, 2^30723046998 is an apocalyptic number.

30723046998 is an abundant number, since it is smaller than the sum of its proper divisors (39508416426).

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

30723046998 is a wasteful number, since it uses less digits than its factorization.

30723046998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76636.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 30723046998 in words is "thirty billion, seven hundred twenty-three million, forty-six thousand, nine hundred ninety-eight".