403123320030 has 64 divisors (see below), whose sum is σ = 976495564800. Its totient is φ = 106502835840.

The previous prime is 403123320001. The next prime is 403123320071. The reversal of 403123320030 is 30023321304.

It is a super-2 number, since 2×403123320030² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403123319979 and 403123320006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896520 + ... + 2098340.

It is an arithmetic number, because the mean of its divisors is an integer number (15257743200).

Almost surely, 2^403123320030 is an apocalyptic number.

403123320030 is an abundant number, since it is smaller than the sum of its proper divisors (573372244770).

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

403123320030 is a wasteful number, since it uses less digits than its factorization.

403123320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202449.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 403123320030 its reverse (30023321304), we get a palindrome (433146641334).

The spelling of 403123320030 in words is "four hundred three billion, one hundred twenty-three million, three hundred twenty thousand, thirty".