423373076261 has 2 divisors, whose sum is σ = 423373076262. Its totient is φ = 423373076260.

The previous prime is 423373076227. The next prime is 423373076263. The reversal of 423373076261 is 162670373324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357012225025 + 66360851236 = 597505^2 + 257606^2 .

It is a cyclic number.

It is not a de Polignac number, because 423373076261 - 2²⁶ = 423305967397 is a prime.

Together with 423373076263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423373076263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211686538130 + 211686538131.

It is an arithmetic number, because the mean of its divisors is an integer number (211686538131).

Almost surely, 2^423373076261 is an apocalyptic number.

It is an amenable number.

423373076261 is a deficient number, since it is larger than the sum of its proper divisors (1).

423373076261 is an equidigital number, since it uses as much as digits as its factorization.

423373076261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 423373076261 in words is "four hundred twenty-three billion, three hundred seventy-three million, seventy-six thousand, two hundred sixty-one".