233130420402 has 64 divisors (see below), whose sum is σ = 527053824000. Its totient is φ = 68106585600.

The previous prime is 233130420373. The next prime is 233130420407. The reversal of 233130420402 is 204024031332.

It is not an unprimeable number, because it can be changed into a prime (233130420407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321474 + ... + 754722.

It is an arithmetic number, because the mean of its divisors is an integer number (8235216000).

Almost surely, 2^233130420402 is an apocalyptic number.

233130420402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 233130420402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263526912000).

233130420402 is an abundant number, since it is smaller than the sum of its proper divisors (293923403598).

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

233130420402 is a wasteful number, since it uses less digits than its factorization.

233130420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433559.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 233130420402 its reverse (204024031332), we get a palindrome (437154451734).

The spelling of 233130420402 in words is "two hundred thirty-three billion, one hundred thirty million, four hundred twenty thousand, four hundred two".