1951853023 has 2 divisors, whose sum is σ = 1951853024. Its totient is φ = 1951853022.

The previous prime is 1951853021. The next prime is 1951853027. The reversal of 1951853023 is 3203581591.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1951853023 - 2¹ = 1951853021 is a prime.

Together with 1951853021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951853021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975926511 + 975926512.

It is an arithmetic number, because the mean of its divisors is an integer number (975926512).

Almost surely, 2^1951853023 is an apocalyptic number.

1951853023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951853023 is an equidigital number, since it uses as much as digits as its factorization.

1951853023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1951853023 is about 44179.7807033942. The cubic root of 1951853023 is about 1249.7285859785.

The spelling of 1951853023 in words is "one billion, nine hundred fifty-one million, eight hundred fifty-three thousand, twenty-three".