23220152201501 has 2 divisors, whose sum is σ = 23220152201502. Its totient is φ = 23220152201500.

The previous prime is 23220152201479. The next prime is 23220152201549. The reversal of 23220152201501 is 10510225102232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20139460265401 + 3080691936100 = 4487701^2 + 1755190^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220152201501 - 2⁴² = 18822105690397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23220152200501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610076100750 + 11610076100751.

It is an arithmetic number, because the mean of its divisors is an integer number (11610076100751).

Almost surely, 2^{23220152201501} is an apocalyptic number.

It is an amenable number.

23220152201501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220152201501 is an equidigital number, since it uses as much as digits as its factorization.

23220152201501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 23220152201501 its reverse (10510225102232), we get a palindrome (33730377303733).

The spelling of 23220152201501 in words is "twenty-three trillion, two hundred twenty billion, one hundred fifty-two million, two hundred one thousand, five hundred one".