1207891423 has 2 divisors, whose sum is σ = 1207891424. Its totient is φ = 1207891422.

The previous prime is 1207891393. The next prime is 1207891453. The reversal of 1207891423 is 3241987021.

It is a balanced prime because it is at equal distance from previous prime (1207891393) and next prime (1207891453).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207891423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207891453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603945711 + 603945712.

It is an arithmetic number, because the mean of its divisors is an integer number (603945712).

Almost surely, 2^1207891423 is an apocalyptic number.

1207891423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207891423 is an equidigital number, since it uses as much as digits as its factorization.

1207891423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1207891423 is about 34754.7323827993. The cubic root of 1207891423 is about 1064.9828949474.

The spelling of 1207891423 in words is "one billion, two hundred seven million, eight hundred ninety-one thousand, four hundred twenty-three".