423213023029 has 4 divisors (see below), whose sum is σ = 425361312684. Its totient is φ = 421064733376.

The previous prime is 423213023017. The next prime is 423213023089. The reversal of 423213023029 is 920320312324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200325170929 + 222887852100 = 447577^2 + 472110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423213023029 is a prime.

It is a super-2 number, since 2×423213023029² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423213023089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074144532 + ... + 1074144925.

It is an arithmetic number, because the mean of its divisors is an integer number (106340328171).

Almost surely, 2^423213023029 is an apocalyptic number.

It is an amenable number.

423213023029 is a deficient number, since it is larger than the sum of its proper divisors (2148289655).

423213023029 is a wasteful number, since it uses less digits than its factorization.

423213023029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148289654.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 423213023029 in words is "four hundred twenty-three billion, two hundred thirteen million, twenty-three thousand, twenty-nine".