1927423097 has 4 divisors (see below), whose sum is σ = 1946506596. Its totient is φ = 1908339600.

The previous prime is 1927423073. The next prime is 1927423111. The reversal of 1927423097 is 7903247291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 970696336 + 956726761 = 31156^2 + 30931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1927423097 - 2¹² = 1927419001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1927423007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9541598 + ... + 9541799.

It is an arithmetic number, because the mean of its divisors is an integer number (486626649).

Almost surely, 2^1927423097 is an apocalyptic number.

It is an amenable number.

1927423097 is a deficient number, since it is larger than the sum of its proper divisors (19083499).

1927423097 is a wasteful number, since it uses less digits than its factorization.

1927423097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19083498.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1927423097 is about 43902.4270058046. The cubic root of 1927423097 is about 1244.4926987008.

The spelling of 1927423097 in words is "one billion, nine hundred twenty-seven million, four hundred twenty-three thousand, ninety-seven".