1901114623 has 2 divisors, whose sum is σ = 1901114624. Its totient is φ = 1901114622.

The previous prime is 1901114603. The next prime is 1901114639. The reversal of 1901114623 is 3264111091.

It is a strong prime.

It is an emirp because it is prime and its reverse (3264111091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1901114623 - 2¹⁷ = 1900983551 is a prime.

It is a super-2 number, since 2×1901114623² = 7228473619568864258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1901114591 and 1901114600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1901114603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950557311 + 950557312.

It is an arithmetic number, because the mean of its divisors is an integer number (950557312).

Almost surely, 2^1901114623 is an apocalyptic number.

1901114623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1901114623 is an equidigital number, since it uses as much as digits as its factorization.

1901114623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1901114623 is about 43601.7731634850. The cubic root of 1901114623 is about 1238.8044805403.

The spelling of 1901114623 in words is "one billion, nine hundred one million, one hundred fourteen thousand, six hundred twenty-three".