33423432401 has 2 divisors, whose sum is σ = 33423432402. Its totient is φ = 33423432400.

The previous prime is 33423432359. The next prime is 33423432439. The reversal of 33423432401 is 10423432433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26367264400 + 7056168001 = 162380^2 + 84001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33423432401 is a prime.

It is a super-2 number, since 2×33423432401² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33423432451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16711716200 + 16711716201.

It is an arithmetic number, because the mean of its divisors is an integer number (16711716201).

Almost surely, 2^33423432401 is an apocalyptic number.

It is an amenable number.

33423432401 is a deficient number, since it is larger than the sum of its proper divisors (1).

33423432401 is an equidigital number, since it uses as much as digits as its factorization.

33423432401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33423432401 its reverse (10423432433), we get a palindrome (43846864834).

The spelling of 33423432401 in words is "thirty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, four hundred one".