1453023394 has 8 divisors (see below), whose sum is σ = 2180683728. Its totient is φ = 726128820.

The previous prime is 1453023389. The next prime is 1453023401. The reversal of 1453023394 is 4933203541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453023394² = 4222553967022558472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186672 + ... + 194299.

It is an arithmetic number, because the mean of its divisors is an integer number (272585466).

Almost surely, 2^1453023394 is an apocalyptic number.

1453023394 is a deficient number, since it is larger than the sum of its proper divisors (727660334).

1453023394 is a wasteful number, since it uses less digits than its factorization.

1453023394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382880.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 1453023394 is about 38118.5439648473. The cubic root of 1453023394 is about 1132.6373238803.

The spelling of 1453023394 in words is "one billion, four hundred fifty-three million, twenty-three thousand, three hundred ninety-four".