1141420923 has 8 divisors (see below), whose sum is σ = 1690994000. Its totient is φ = 760947264.

The previous prime is 1141420909. The next prime is 1141420927. The reversal of 1141420923 is 3290241411.

It is a happy number.

It is not a de Polignac number, because 1141420923 - 2¹² = 1141416827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42274849 = 1141420923 / (1 + 1 + 4 + 1 + 4 + 2 + 0 + 9 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141420927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21137398 + ... + 21137451.

It is an arithmetic number, because the mean of its divisors is an integer number (211374250).

Almost surely, 2^1141420923 is an apocalyptic number.

1141420923 is a deficient number, since it is larger than the sum of its proper divisors (549573077).

1141420923 is an equidigital number, since it uses as much as digits as its factorization.

1141420923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42274858 (or 42274852 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1141420923 is about 33784.9215331337. The cubic root of 1141420923 is about 1045.0777695989.

The spelling of 1141420923 in words is "one billion, one hundred forty-one million, four hundred twenty thousand, nine hundred twenty-three".